Annotation of loncom/interface/lonindexer.pm, revision 1.181.4.3

1.1       www         1: # The LearningOnline Network with CAPA
1.24      harris41    2: # Directory Indexer
                      3: #
1.181.4.3! raeburn     4: # $Id: lonindexer.pm,v 1.181.4.2 2009/08/13 12:46:29 raeburn Exp $
1.24      harris41    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
1.14      harris41   14: #
1.24      harris41   15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
1.14      harris41   27: #
1.23      harris41   28: ###
                     29: 
                     30: ###############################################################################
                     31: ##                                                                           ##
                     32: ## ORGANIZATION OF THIS PERL MODULE                                          ##
                     33: ##                                                                           ##
                     34: ## 1. Description of functions                                               ##
                     35: ## 2. Modules used by this module                                            ##
                     36: ## 3. Choices for different output views (detailed, summary, xml, etc)       ##
                     37: ## 4. BEGIN block (to be run once after compilation)                         ##
                     38: ## 5. Handling routine called via Apache and mod_perl                        ##
                     39: ## 6. Other subroutines                                                      ##
                     40: ##                                                                           ##
                     41: ###############################################################################
1.7       harris41   42: 
1.1       www        43: package Apache::lonindexer;
                     44: 
1.23      harris41   45: # ------------------------------------------------- modules used by this module
1.1       www        46: use strict;
1.133     albertel   47: use Apache::lonnet;
1.30      harris41   48: use Apache::loncommon();
1.83      www        49: use Apache::lonhtmlcommon();
1.94      www        50: use Apache::lonsequence();
1.1       www        51: use Apache::Constants qw(:common);
1.70      ng         52: use Apache::lonmeta;
1.2       harris41   53: use Apache::File;
1.77      www        54: use Apache::lonlocal;
1.109     taceyjo1   55: use Apache::lonsource();
1.172     albertel   56: use Apache::groupsort();
1.2       harris41   57: use GDBM_File;
1.154     albertel   58: use LONCAPA qw(:match);
1.2       harris41   59: 
1.23      harris41   60: # ---------------------------------------- variables used throughout the module
1.87      www        61: my %hash; # global user-specific gdbm file
1.17      harris41   62: my %dirs; # keys are directories, values are the open/close status
                     63: my %language; # has the reference information present in language.tab
1.111     www        64: my %dynhash; # hash of hashes for dynamic metadata
1.117     www        65: my %dynread; # hash of directories already read for dynamic metadata
1.113     www        66: my %fieldnames; # Metadata fieldnames
1.17      harris41   67: # ----- Values which are set by the handler subroutine and are accessible to
                     68: # -----     other methods.
                     69: my $extrafield; # default extra table cell
                     70: my $fnum; # file counter
                     71: my $dnum; # directory counter
1.1       www        72: 
1.40      matthew    73: # ----- Used to include or exclude files with certain extensions.
1.43      matthew    74: my @Only = ();
1.40      matthew    75: my @Omit = ();
                     76: 
                     77: 
1.125     foxr       78: 
                     79: 
1.23      harris41   80: # ----------------------------- Handling routine called via Apache and mod_perl
1.1       www        81: sub handler {
                     82:     my $r = shift;
1.67      matthew    83:     my $c = $r->connection();
1.76      www        84:     &Apache::loncommon::content_type($r,'text/html');
1.50      albertel   85:     &Apache::loncommon::no_cache($r);
1.1       www        86:     $r->send_http_header;
                     87:     return OK if $r->header_only;
1.9       harris41   88:     $fnum=0;
1.16      harris41   89:     $dnum=0;
1.17      harris41   90: 
1.43      matthew    91:     # Deal with stupid global variables (is there a way around making
                     92:     # these global to this package?  It is just so wrong....)
                     93:     undef (@Only);
                     94:     undef (@Omit);
1.113     www        95:     %fieldnames=&Apache::lonmeta::fieldnames();
1.43      matthew    96: 
1.23      harris41   97: # ------------------------------------- read in machine configuration variables
1.10      harris41   98:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1       www        99:     my $domain  = $r->dir_config('lonDefDomain');
                    100:     my $role    = $r->dir_config('lonRole');
                    101:     my $loadlim = $r->dir_config('lonLoadLim');
                    102:     my $servadm = $r->dir_config('lonAdmEMail');
                    103:     my $sysadm  = $r->dir_config('lonSysEMail');
                    104:     my $lonhost = $r->dir_config('lonHostID');
                    105:     my $tabdir  = $r->dir_config('lonTabDir');
                    106: 
1.7       harris41  107:     my $fileclr='#ffffe6';
1.15      harris41  108:     my $line;
1.176     banghart  109:     my (@attrchk,@openpath,$typeselect);
1.15      harris41  110:     my $uri=$r->uri;
                    111: 
1.7       harris41  112: # -------------------------------------- see if called from an interactive mode
1.35      matthew   113:     # Get the parameters from the query string
1.36      matthew   114:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40      matthew   115: 	     ['catalogmode','launch','acts','mode','form','element',
1.79      albertel  116:               'only','omit','titleelement']);
1.35      matthew   117:     #-------------------------------------------------------------------
1.17      harris41  118:     my $closebutton='';
1.7       harris41  119:     my $groupimportbutton='';
                    120:     my $colspan=''; 
1.141     albertel  121:     
1.14      harris41  122:     $extrafield='';
1.17      harris41  123:     my $diropendb = 
1.144     www       124: 	"/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67      matthew   125:     %hash = ();
1.68      albertel  126:     {
                    127: 	my %dbfile;
1.149     albertel  128: 	if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
                    129: 	    if ($env{'form.launch'} eq '1') {
                    130: 		&start_fresh_session(\%dbfile);
                    131: 	    }
1.68      albertel  132: 	    while(my($key,$value)=each(%dbfile)) {
                    133: 		$hash{$key}=$value;
                    134: 	    }
                    135: 	    untie(%dbfile);
                    136: 	}
                    137:     }
1.174     banghart  138: # - Evaluate actions from previous page (both cumulatively and chronologically)
                    139:         if ($env{'form.catalogmode'} eq 'import' || $hash{'form.catalogmode'} eq 'import') {
                    140: 	    &Apache::groupsort::update_actions_hash(\%hash);
                    141: 	}
                    142:     
1.68      albertel  143:     {
1.105     taceyjo1  144:   #Hijack lonindexer to verify a title and be close down.
1.133     albertel  145:    if ($env{'form.launch'} eq '2') {
1.130     albertel  146:        &Apache::loncommon::content_type($r,'text/html');
1.108     albertel  147:        my $extra='';
1.133     albertel  148:        if (defined($env{'form.titleelement'}) && 
                    149: 	   $env{'form.titleelement'} ne '') {
                    150: 	   my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
                    151: #	   &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108     albertel  152: 	   $verify_title=~s/'/\\'/g;
1.133     albertel  153: 	   $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108     albertel  154:        }
1.141     albertel  155:        my $js = <<ENDSUBM;
1.129     albertel  156: 	       <script type="text/javascript">
1.105     taceyjo1  157: 		function load() {
1.133     albertel  158: 			window.opener.document.forms["$env{'form.form'}"]
                    159: 			    .elements["$env{'form.element'}"]
                    160: 			    .value='$env{'form.acts'}';
1.108     albertel  161: 			$extra
1.105     taceyjo1  162: 			window.close();
                    163: 		}
1.129     albertel  164:    	       </script>
1.105     taceyjo1  165: ENDSUBM
1.141     albertel  166:        $r->print(&Apache::loncommon::start_page(undef,$js,
                    167: 						{'only_body'   =>1,
                    168: 						 'add_entries' =>
1.142     albertel  169: 						     {'onload' => "load();"},}
                    170: 						).
1.141     albertel  171: 		 &Apache::loncommon::end_page());
1.108     albertel  172:        return OK;
1.105     taceyjo1  173:    }
                    174:     
1.17      harris41  175: # -------------------- refresh environment with user database values (in %hash)
1.133     albertel  176: 	&setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode'   );
1.15      harris41  177: 
1.17      harris41  178: # --------------------- define extra fields and buttons in case of special mode
1.133     albertel  179: 	if ($env{'form.catalogmode'} eq 'interactive') {
1.15      harris41  180: 	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152     albertel  181: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  182: 		' class="LC_icon" /></td>';
1.15      harris41  183: 	    $colspan=" colspan='2' ";
1.77      www       184:             my $cl=&mt('Close');
1.15      harris41  185:             $closebutton=<<END;
1.181.4.3! raeburn   186: <input type="button" name="close" value='$cl' onclick="self.close()" />
1.7       harris41  187: END
1.16      harris41  188:         }
1.145     www       189: 	elsif ($env{'form.catalogmode'} eq 'import') {
1.15      harris41  190: 	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152     albertel  191: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  192: 		' class="LC_icon" /></td>';
1.15      harris41  193: 	    $colspan=" colspan='2' ";
1.77      www       194: 	    my $cl=&mt('Close');
1.123     matthew   195:             my $gi=&mt('Import');
1.15      harris41  196:             $closebutton=<<END;
1.181.4.3! raeburn   197: <input type="button" name="close" value='$cl' onclick="self.close()" />
1.7       harris41  198: END
1.15      harris41  199:             $groupimportbutton=<<END;
1.77      www       200: <input type="button" name="groupimport" value='$gi'
1.181.4.3! raeburn   201: onclick="javascript:select_group()" />
1.7       harris41  202: END
1.15      harris41  203:         }
1.35      matthew   204: 	# Additions made by Matthew to make the browser a little easier to deal
                    205: 	# with in the future.
                    206: 	#
                    207: 	# $mode (at this time) indicates if we are in edit mode.
                    208: 	# $form is the name of the form that the URL is placed when the
                    209: 	#       selection is made.
                    210: 	# $element is the name of the element in $formname which receives
                    211: 	#       the URL.
1.91      taceyjo1  212: 	#&Apache::lonxml::debug('Checking mode, form, element');
1.133     albertel  213: 	&setvalues(\%hash,'form.mode'        ,\%env,'form.mode'   );
                    214: 	&setvalues(\%hash,'form.form'        ,\%env,'form.form'   );
                    215: 	&setvalues(\%hash,'form.element'     ,\%env,'form.element');
                    216: 	&setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
                    217: 	&setvalues(\%hash,'form.only'        ,\%env,'form.only'   );
                    218: 	&setvalues(\%hash,'form.omit'        ,\%env,'form.omit'   );
1.35      matthew   219: 
1.40      matthew   220:         # Deal with 'omit' and 'only' 
1.133     albertel  221:         if (exists $env{'form.omit'}) {
                    222:             @Omit = split(',',$env{'form.omit'});
1.40      matthew   223:         }
1.133     albertel  224:         if (exists $env{'form.only'}) {
                    225:             @Only = split(',',$env{'form.only'});
1.40      matthew   226:         }
                    227:         
1.133     albertel  228: 	my $mode = $env{'form.mode'};
1.79      albertel  229: 	my ($form,$element,$titleelement);
1.39      matthew   230: 	if ($mode eq 'edit' || $mode eq 'parmset') {
1.133     albertel  231: 	    $form         = $env{'form.form'};
                    232: 	    $element      = $env{'form.element'};
                    233: 	    $titleelement = $env{'form.titleelement'};
1.35      matthew   234: 	}
1.90      taceyjo1  235: 	#&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17      harris41  236: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15      harris41  237: 	my $catalogmodefunctions='';
1.133     albertel  238: 	if ($env{'form.catalogmode'} eq 'interactive' or
1.145     www       239: 	    $env{'form.catalogmode'} eq 'import') {
1.35      matthew   240: 	    # The if statement below sets us up to use the old version
                    241: 	    # by default (ie. if $mode is undefined).  This is the easy
                    242: 	    # way out.  Hopefully in the future I'll find a way to get 
                    243: 	    # the calls dealt with in a more comprehensive manner.
1.41      www       244: 
                    245: #
                    246: # There is now also mode "simple", which is for the simple version of the rat
                    247: #
                    248: #
1.39      matthew   249: 	    if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.170     albertel  250:                 my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&";
1.41      www       251:                 $location .= "mode=".$mode."&";
1.40      matthew   252:                 $location .= "acts=";
1.35      matthew   253: 		$catalogmodefunctions=<<"END";
1.108     albertel  254: function select_data(url) {
1.7       harris41  255:     changeURL(url);
1.8       harris41  256:     self.close();
                    257: }
                    258: function select_group() {
1.40      matthew   259:     window.location="$location"+document.forms.fileattr.acts.value;
1.16      harris41  260: }
1.35      matthew   261: function changeURL(val) {
                    262:     if (opener.inf) {
                    263:         if (opener.inf.document.forms.resinfo.elements.u) {
                    264: 	    opener.inf.document.forms.resinfo.elements.u.value=val;
                    265:         }
1.7       harris41  266:     }
                    267: }
1.35      matthew   268: END
1.39      matthew   269:             } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40      matthew   270:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    271:                 $location .= "form=$form&element=$element&mode=edit&acts=";
1.35      matthew   272: 		$catalogmodefunctions=<<END;
                    273: // mode = $mode
1.108     albertel  274: function select_data(url) {
                    275:    var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105     taceyjo1  276:    window.location=location;
1.173     banghart  277:    if (window.opener.document.forms["$form"].elements["$element"].value != url) {
                    278:        window.opener.unClean();
                    279:    }
1.35      matthew   280: }
                    281: function select_group() {
1.40      matthew   282:     window.location="$location"+document.forms.fileattr.acts.value;
1.35      matthew   283: }
                    284: 
1.7       harris41  285: function changeURL(val) {
1.35      matthew   286:     if (window.opener.document) {
                    287: 	window.opener.document.forms["$form"].elements["$element"].value=val;
                    288:     } else {
                    289: 	    alert("The file you selected is: "+val);
1.7       harris41  290:     }
                    291: }
                    292: END
1.79      albertel  293:                 if (!$titleelement) {
                    294: 		    $catalogmodefunctions.='function changeTitle(val) {}';
                    295: 		} else {
                    296: 		    $catalogmodefunctions.=<<END;
                    297: function changeTitle(val) {
                    298:     if (window.opener.document) {
                    299: 	    window.opener.document.forms["$form"].elements["$titleelement"].value=val;
                    300:     } else {
                    301: 	    alert("The title of the file you selected is: "+val);
                    302:     }
                    303: }
                    304: END
                    305:                 }
1.39      matthew   306:             } elsif ($mode eq 'parmset') {
1.40      matthew   307:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    308:                 $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39      matthew   309: 		$catalogmodefunctions=<<END;
                    310: // mode = $mode
1.108     albertel  311: function select_data(url) {
1.39      matthew   312:     changeURL(url);
                    313:     self.close();
                    314: }
                    315: 
                    316: function select_group() {
1.40      matthew   317:     window.location="$location"+document.forms.fileattr.acts.value;
1.39      matthew   318: }
                    319: 
                    320: function changeURL(val) {
                    321:     if (window.opener.document) {
                    322:         var elementname  = "$element"+"_value";
                    323:         var checkboxname = "$element"+"_setparmval";
                    324: 	window.opener.document.forms["$form"].elements[elementname].value=val;
                    325:         window.opener.document.forms["$form"].elements[checkboxname].checked=true;
                    326:     } else {
                    327: 	    alert("The file you selected is: "+val);
                    328:     }
                    329: }
                    330: 
                    331: END
                    332:             }
1.15      harris41  333:         }
1.38      matthew   334:         $catalogmodefunctions.=<<END;
                    335: var acts='';
                    336: function rep_dirpath(suffix,val) {
                    337:     eval("document.forms.dirpath"+suffix+".acts.value=val");
                    338: }
                    339: END
1.145     www       340: 	if ($env{'form.catalogmode'} eq 'import') {
1.38      matthew   341:             $catalogmodefunctions.=<<END;
1.16      harris41  342: function queue(val) {
                    343:     if (eval("document.forms."+val+".filelink.checked")) {
                    344: 	var l=val.length;
                    345: 	var v=val.substring(4,l);
                    346: 	document.forms.fileattr.acts.value+='1a'+v+'b';
                    347:     }
                    348:     else {
                    349: 	var l=val.length;
                    350: 	var v=val.substring(4,l);
                    351: 	document.forms.fileattr.acts.value+='0a'+v+'b';
                    352:     }
                    353: }
                    354: END
                    355: 	}
1.17      harris41  356: 
1.170     albertel  357:         my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
1.1       www       358: # ---------------------------------------------------------------- Print Header
1.170     albertel  359:         
1.141     albertel  360: 	my $js = <<"ENDHEADER";
1.19      harris41  361: <script type="text/javascript">
1.175     banghart  362: $catalogmodefunctions;
                    363: function update_only(field) {
                    364:     alert(field.name);
                    365: }
1.163     banghart  366: function checkAll() {
1.160     banghart  367:     var numForms = document.forms.length;
                    368:     for (i=0;i<numForms;i++) {
                    369:         var numElements = document.forms[i].elements.length;
                    370:         for (j=0;j<numElements;j++){
1.163     banghart  371:             var fieldName = document.forms[i].elements[j].name;
                    372:             if (fieldName == 'filelink') {
                    373:                 document.forms[i].elements[j].checked = true;
1.168     banghart  374:                 queue(document.forms[i].name);
1.163     banghart  375:             }
                    376:         }
                    377:     }
                    378: }
                    379: function uncheckAll() {
                    380:     var numForms = document.forms.length;
                    381:     for (i=0;i<numForms;i++) {
                    382:         var numElements = document.forms[i].elements.length;
                    383:         for (j=0;j<numElements;j++){
                    384:             var fieldName = document.forms[i].elements[j].name;
                    385:             if (fieldName == 'filelink') {
                    386:                 document.forms[i].elements[j].checked = false;
1.168     banghart  387:                 queue(document.forms[i].name);
1.160     banghart  388:             }
                    389:         }
                    390:     }
                    391: }
1.69      www       392: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71      ng        393:     var xpos = (screen.width-w)/2;
                    394:     xpos = (xpos < 0) ? '0' : xpos;
                    395:     var ypos = (screen.height-h)/2-30;
                    396:     ypos = (ypos < 0) ? '0' : ypos;
                    397:     var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2       harris41  398:     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69      www       399:     options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2       harris41  400:     var newWin = window.open(url, wdwName, options);
                    401:     newWin.focus();
                    402: }
1.16      harris41  403: function gothere(val) {
1.170     albertel  404:     window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
1.16      harris41  405: }
1.14      harris41  406: </script>
1.141     albertel  407: ENDHEADER
1.3       harris41  408: 
1.154     albertel  409:         my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.181.4.2  raeburn   410:         my %args = (
                    411:                       'domain' => $headerdom,
                    412:                    );
                    413:         if ($env{'form.catalogmode'}) {
                    414:             # "Popup mode"
                    415:             $args{'only_body'} = 1;
                    416:         }
                    417: 	$r->print(&Apache::loncommon::start_page('Browse Resources',$js,\%args));
1.175     banghart  418: # ---------------------------------- get state of file types to be showing
                    419: 	if ($env{'form.only'}) {
1.176     banghart  420: 	    $typeselect = $env{'form.only'};
1.175     banghart  421: 	} else {
1.176     banghart  422: 	    $typeselect = '';
1.175     banghart  423: 	}
                    424: 
1.23      harris41  425: # ---------------------------------- get state of file attributes to be showing
1.133     albertel  426: 	if ($env{'form.attrs'}) {
1.181.4.1  raeburn   427: 	    for (my $i=0; $i<=16; $i++) {
1.6       harris41  428: 		delete $hash{'display_attrs_'.$i};
1.133     albertel  429: 		if ($env{'form.attr'.$i} == 1) {
1.181.4.3! raeburn   430: 		    $attrchk[$i] = 'checked="checked"';
1.6       harris41  431: 		    $hash{'display_attrs_'.$i} = 1;
                    432: 		}
                    433: 	    }
                    434: 	} else {
1.181.4.1  raeburn   435: 	    for (my $i=0; $i<=16; $i++) {
1.181.4.3! raeburn   436: 		$attrchk[$i] = 'checked="checked"' if $hash{'display_attrs_'.$i} == 1;
1.6       harris41  437: 	    }
                    438: 	}
1.87      www       439: 
1.23      harris41  440: # ------------------------------- output state of file attributes to be showing
1.71      ng        441: #                                 All versions has to the last item
                    442: #                                 since it does not take an extra col
1.77      www       443: 	my %lt=&Apache::lonlocal::texthash(
                    444: 					   'ti' => 'Title',
                    445: 					   'si' => 'Size',
                    446: 					   'la' => 'Last access',
                    447: 					   'lm' => 'Last modified',
                    448: 					   'st' => 'Statistics',
                    449: 					   'au' => 'Author',
                    450: 					   'kw' => 'Keywords',
1.181.4.1  raeburn   451:                                            'sb' => 'Subject',
                    452:                                            'nt' => 'Notes',
                    453:                                            'ab' => 'Abstract',
1.78      www       454: 					   'ln' => 'Language',
1.181.4.1  raeburn   455:                                            'gl' => 'Grade Level',
                    456:                                            'sd' => 'Standards',
1.109     taceyjo1  457: 					   'sa' => 'Source Available',
1.77      www       458: 					   'sr' => 'Show resource',
1.111     www       459: 					   'li' => 'Linked/Related Resources',
1.77      www       460: 					   'av' => 'All versions',
1.174     banghart  461: 					   'ud' => 'Update Display',
                    462: 					   'pr' => 'Problems',
                    463: 					   'gr' => 'Graphics',
1.181.4.1  raeburn   464: 					   'at' => 'All types',
                    465:                                            'hd' => 'Display Options',
1.77      www       466: 					   );
1.15      harris41  467: 	$r->print(<<END);
1.181.4.1  raeburn   468: <fieldset>
                    469: <legend>$lt{'hd'}</legend>
1.181.4.3! raeburn   470: <form method="post" name="fileattr" action="$uri" enctype="application/x-www-form-urlencoded">
        !           471: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onclick="this.form.submit();" /> $lt{'av'}</label>
1.115     www       472: <table border="0">
                    473: <tr>
1.181.4.3! raeburn   474: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onclick="this.form.submit();" /> $lt{'ti'}</label></td>
        !           475: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onclick="this.form.submit();" /> $lt{'au'}</label></td>
        !           476: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onclick="this.form.submit();" /> $lt{'kw'}</label></td>
        !           477: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onclick="this.form.submit();" /> $lt{'ln'}</label></td>
        !           478: <td><label><input type="checkbox" name="attr13" value="1" $attrchk[13] onclick="this.form.submit();" /> $lt{'nt'}</label></td>
        !           479: <td><label><input type="checkbox" name="attr16" value="1" $attrchk[16] onclick="this.form.submit();" /> $lt{'sd'}</label></td>
1.115     www       480: </tr>
                    481: <tr>
1.181.4.3! raeburn   482: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onclick="this.form.submit();" /> $lt{'si'}</label></td>
        !           483: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onclick="this.form.submit();" /> $lt{'la'}</label></td>
        !           484: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onclick="this.form.submit();" /> $lt{'lm'}</label></td>
        !           485: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onclick="this.form.submit();" /> $lt{'sa'}</label></td>
        !           486: <td><label><input type="checkbox" name="attr14" value="1" $attrchk[14] onclick="this.form.submit();" /> $lt{'ab'}</label></td>
1.181.4.1  raeburn   487: <td>&nbsp;</td>
1.115     www       488: </tr>
                    489: <tr>
1.181.4.3! raeburn   490: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onclick="this.form.submit();" /> $lt{'st'}</label></td>
        !           491: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onclick="this.form.submit();" /> $lt{'li'}</label></td>
        !           492: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onclick="this.form.submit();" /> $lt{'sr'}</label></td>
        !           493: <td><label><input type="checkbox" name="attr12" value="1" $attrchk[12] onclick="this.form.submit();" /> $lt{'sb'}</label></td>
        !           494: <td><label><input type="checkbox" name="attr15" value="1" $attrchk[15] onclick="this.form.submit();" /> $lt{'gl'}</label></td>
1.115     www       495: <td>&nbsp;</td>
                    496: </tr>
                    497: </table>
1.87      www       498: <input type="hidden" name="attrs" value="1" />
1.176     banghart  499: END
1.178     albertel  500:         my @file_categories = &Apache::loncommon::filecategories();
                    501:         my %select_file_categories;
                    502:         my @select_form_order = ('');
1.179     banghart  503:         $select_file_categories{''} = &mt('All file types');
1.178     albertel  504:         foreach my $cat (@file_categories) {
                    505: 	    my $types = join(",",&Apache::loncommon::filecategorytypes($cat));
                    506: 	    $select_file_categories{$types} = $cat;
                    507: 	    push(@select_form_order,$types);
                    508: 	}
                    509:         $select_file_categories{'select_form_order'} = \@select_form_order;
                    510:         my $type_element=
                    511: 	    &Apache::loncommon::select_form($typeselect,'only',
                    512: 					    %select_file_categories);
                    513:         $type_element = '<label>'.&mt('File Type Displayed: [_1]',
                    514: 				      $type_element).'</label>';
1.181.4.1  raeburn   515:         $r->print($type_element
                    516:                  .'</fieldset>');
1.178     albertel  517:         $r->print(<<END);
1.174     banghart  518: <br />
1.87      www       519: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16      harris41  520: <input type="hidden" name="acts" value="" />
1.87      www       521: $closebutton $groupimportbutton
1.1       www       522: END
1.170     albertel  523:         $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.178     albertel  524:    
1.97      www       525: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    526: 	my $storeuri=$uri;
                    527: 	$storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    528: 	$storeuri=~s/\/+/\//g;
1.82      www       529: # ---------------------------------------------------------------- Bread crumbs
1.97      www       530:         $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145     www       531: 				(($env{'form.catalogmode'} eq 'import')?
1.87      www       532: 				 'document.forms.fileattr':'')).
                    533: 		  &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128     foxr      534: 'window.status=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
1.100     www       535: # -------------------------------------------------------- Resource Home Button
1.133     albertel  536: 	my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100     www       537: 	if ($reshome) {
                    538: 	    $r->print("<font size='+2'><a href='");
1.145     www       539: 	    if ($env{'form.catalogmode'} eq 'import') {
1.170     albertel  540: 		$r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
1.100     www       541: 	    } else {
                    542: 		$r->print($reshome);
                    543: 	    }
                    544: 	    $r->print("'>".&mt('Home').'</a></font>');
                    545: 	}
                    546: 	$r->print('</form>');
1.85      www       547: # ------------------------------------------------------ Remember where we were
1.97      www       548: 	&Apache::loncommon::storeresurl($storeuri);
                    549: 	&Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163     banghart  550: # -------------------------------------------------- Check All and Uncheck all
1.171     albertel  551: 	if ($env{'form.catalogmode'} eq 'import') {
1.181.4.3! raeburn   552: 	    $r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onclick="javascript:checkAll()" />');
        !           553: 	    $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onclick="javascript:uncheckAll()" />');
1.171     albertel  554: 	}
1.23      harris41  555: # ----------------- output starting row to the indexed file/directory hierarchy
1.15      harris41  556:         my $titleclr="#ddffff";
1.129     albertel  557:         #$r->print(&initdebug());
                    558:         #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
                    559:         #$r->print(&writedebug("Only:@Only")) if (@Only);
                    560:         $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
                    561: 	$r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77      www       562: 	$r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
                    563: 	$r->print("<td><b>".&mt('Title')."</b></td>\n") 
1.45      ng        564: 	    if ($hash{'display_attrs_0'} == 1);
1.77      www       565: 	$r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45      ng        566: 		  "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77      www       567: 	$r->print("<td><b>".&mt("Last accessed")."</b></td>\n") 
1.17      harris41  568: 	    if ($hash{'display_attrs_2'} == 1);
1.77      www       569: 	$r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17      harris41  570: 	    if ($hash{'display_attrs_3'} == 1);
1.77      www       571: 	$r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17      harris41  572: 	    if ($hash{'display_attrs_4'} == 1);
1.77      www       573: 	$r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17      harris41  574: 	    if ($hash{'display_attrs_5'} == 1);
1.77      www       575: 	$r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45      ng        576: 	    if ($hash{'display_attrs_6'} == 1);
1.77      www       577: 	$r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120     matthew   578: 		  &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70      ng        579: 	    if ($hash{'display_attrs_8'} == 1);
1.109     taceyjo1  580: 	$r->print("<td><b>".&mt("Source Available")."</b></td>\n")
                    581: 	    if ($hash{'display_attrs_10'} == 1);
1.111     www       582: 	$r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
                    583: 	    if ($hash{'display_attrs_11'} == 1);
1.115     www       584: 	$r->print("<td><b>".&mt("Resource")."</b></td>\n")
                    585: 	    if ($hash{'display_attrs_7'} == 1);
1.181.4.1  raeburn   586:         $r->print("<th>".&mt("Subject")."</th>\n")
                    587:             if ($hash{'display_attrs_12'} == 1);
                    588:         $r->print("<th>".&mt("Notes")."</th>\n")
                    589:             if ($hash{'display_attrs_13'} == 1);
                    590:         $r->print("<th>".&mt("Abstract")."</th>\n")
                    591:             if ($hash{'display_attrs_14'} == 1);
                    592:         $r->print("<th>".&mt("Grade Level")."</th>\n")
                    593:             if ($hash{'display_attrs_15'} == 1);
                    594:         $r->print("<th>".&mt("Standards")."</th>\n")
                    595:             if ($hash{'display_attrs_16'} == 1);
1.45      ng        596: 	$r->print('</tr>');
1.5       harris41  597: 
1.23      harris41  598: # ----------------- read in what directories have previously been set to "open"
1.27      harris41  599: 	foreach (keys %hash) {
1.4       harris41  600: 	    if ($_ =~ /^diropen_status_/) {
                    601: 		my $key = $_;
                    602: 		$key =~ s/^diropen_status_//;
                    603: 		$dirs{$key} = $hash{$_};
                    604: 	    }
1.27      harris41  605: 	}
1.4       harris41  606: 
1.133     albertel  607: 	if ($env{'form.openuri'}) {  # take care of review and refresh options
                    608: 	    my $uri=$env{'form.openuri'};
1.4       harris41  609: 	    if (exists($hash{'diropen_status_'.$uri})) {
                    610: 		my $cursta = $hash{'diropen_status_'.$uri};
1.2       harris41  611: 		$dirs{$uri} = 'open';
1.4       harris41  612: 		$hash{'diropen_status_'.$uri} = 'open';
                    613: 		if ($cursta eq 'open') {
                    614: 		    $dirs{$uri} = 'closed';
                    615: 		    $hash{'diropen_status_'.$uri} = 'closed';
                    616: 		}
1.2       harris41  617: 	    } else {
1.4       harris41  618: 		$hash{'diropen_status_'.$uri} = 'open';
1.2       harris41  619: 		$dirs{$uri} = 'open';
                    620: 	    }
                    621: 	}
1.12      ng        622: 	
                    623: 	my $toplevel;
1.13      ng        624: 	my $indent = 0;
1.12      ng        625: 	$uri = $uri.'/' if $uri !~ /.*\/$/;
1.17      harris41  626: 
1.133     albertel  627:  	if ($env{'form.dirPointer'} ne 'on') {
1.88      www       628:  	    $hash{'top.level'} = $uri;
                    629:  	    $toplevel = $uri;
                    630:  	} else {
                    631:  	    $toplevel = $hash{'top.level'};
                    632:  	}
1.17      harris41  633: 
1.23      harris41  634: # -------------------------------- if not at top level, provide an uplink arrow
1.45      ng        635: 	if ($toplevel ne '/res/'){
1.13      ng        636: 	    my (@uri_com) = split(/\//,$uri);
                    637: 	    pop @uri_com;
                    638: 	    my $upone = join('/',@uri_com);
                    639: 	    my @list = qw (0);
                    640: 	    &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
                    641: 	    $indent = 1;
1.12      ng        642: 	}
1.17      harris41  643: 
1.23      harris41  644: # -------- recursively go through all the directories and output as appropriate
1.16      harris41  645: 	&scanDir ($r,$toplevel,$indent,\%hash);
1.12      ng        646: 	
1.152     albertel  647: 
                    648: # -------------------------------------------------------------- end the tables
                    649: 	$r->print('</table>');
1.23      harris41  650: # ---------------------------- embed hidden information useful for group import
1.152     albertel  651: 	$r->print("<form name='fnum' action=''>");
1.131     albertel  652: 	$r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23      harris41  653: # -------------------------------------------------------------- end the tables
1.45      ng        654: 	$r->print('</td></tr></table>');
1.17      harris41  655: 
1.23      harris41  656: # --------------------------------------------------- end the output and return
1.141     albertel  657: 	$r->print(&Apache::loncommon::end_page()."\n");
1.2       harris41  658:     }
1.67      matthew   659:     if(! $c->aborted()) {
1.87      www       660: # write back into the temporary file
1.68      albertel  661: 	my %dbfile;
1.67      matthew   662:         if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
                    663:             while (my($key,$value) = each(%hash)) {
                    664:                 $dbfile{$key}=$value;
                    665:             }
                    666:             untie(%dbfile);
                    667:         }
                    668:     }
                    669: 
1.1       www       670:     return OK;
                    671: }
1.2       harris41  672: 
1.17      harris41  673: # ----------------------------------------------- recursive scan of a directory
1.2       harris41  674: sub scanDir {
1.16      harris41  675:     my ($r,$startdir,$indent,$hashref)=@_;
1.67      matthew   676:     my $c = $r->connection();
1.3       harris41  677:     my ($compuri,$curdir);
                    678:     my $dirptr=16384;
1.90      taceyjo1  679:     my $obs;
1.1       www       680:     $indent++;
1.2       harris41  681:     my %dupdirs = %dirs;
                    682:     my @list=&get_list($r,$startdir);
                    683:     foreach my $line (@list) {
1.67      matthew   684:         return if ($c->aborted());
1.90      taceyjo1  685: 	#This is a kludge, sorry aboot this
1.92      taceyjo1  686: 	my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.90      taceyjo1  687: 	next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18      ng        688: 	my (@fileparts) = split(/\./,$strip);
1.70      ng        689: 	if ($hash{'display_attrs_9'} != 1) {
1.181     bisitz    690:             # if not all versions to be shown
1.18      ng        691: 	    if (scalar(@fileparts) >= 3) {
                    692: 		my $fext = pop @fileparts;
                    693: 		my $ov = pop @fileparts;
                    694: 		my $fname = join ('.',@fileparts,$fext);
1.75      albertel  695: 		next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18      ng        696: 	    }
                    697: 	}
                    698: 
1.45      ng        699: 	if ($dom eq 'domain') {
1.72      albertel  700: 	    # dom list has full path /res/<domain name>/ already
                    701: 	    $curdir='';
1.73      albertel  702: 	    $compuri = (split(/\&/,$line))[0];
1.2       harris41  703: 	} else {
1.17      harris41  704: 	    # user, dir & file have name only, i.e., w/o path
1.45      ng        705: 	    $compuri = join('',$startdir,$strip,'/');
1.3       harris41  706: 	    $curdir = $startdir;
1.2       harris41  707: 	}
1.45      ng        708: 	my $diropen = 'closed';
1.96      www       709: 	if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3       harris41  710: 	    while (my ($key,$val)= each %dupdirs) {
1.5       harris41  711: 		if ($key eq $compuri and $val eq "open") {
1.11      ng        712: 		    $diropen = "opened";
1.53      albertel  713: 		    delete($dupdirs{$key});
                    714: 		    delete($dirs{$key});
1.5       harris41  715: 		}
1.3       harris41  716: 	    }
1.1       www       717: 	}
1.16      harris41  718: 	&display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45      ng        719: 	&scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1       www       720:     }
                    721:     $indent--;
                    722: }
                    723: 
1.17      harris41  724: # --------------- get complete matched list based on the uri (returns an array)
1.1       www       725: sub get_list {
                    726:     my ($r,$uri)=@_;
1.97      www       727:     my @list=();
1.45      ng        728:     (my $luri = $uri) =~ s/\//_/g;
1.133     albertel  729:     if ($env{'form.updatedisplay'}) {
1.27      harris41  730: 	foreach (keys %hash) {
1.4       harris41  731: 	    delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121     albertel  732: 	    delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87      www       733: 	}
1.2       harris41  734:     }
                    735: 
1.121     albertel  736:     if (defined($hash{'dirlist_files_'.$luri}) &&
                    737: 	$hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4       harris41  738: 	@list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97      www       739:     } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94      www       740: # is a page or a sequence
1.97      www       741: 	$uri=~s/\/$//;
                    742: 	$uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    743: 	$uri=~s/\/+/\//g;
                    744: 	foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
                    745: 	    my @ratpart=split(/\:/,$_);
1.156     albertel  746: 	    push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97      www       747: 	} 
1.94      www       748: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1       www       749:     } else {
1.94      www       750: # is really a directory
1.4       harris41  751: 	@list = &Apache::lonnet::dirlist($uri);
1.87      www       752: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121     albertel  753: 	$hash{'dirlist_timestamp_files_'.$luri} = time;
1.1       www       754:     }
1.156     albertel  755:     return @list=&match_ext($r,@list);    
1.1       www       756: }
                    757: 
1.112     www       758: sub dynmetaread {
                    759:     my $uri=shift;
                    760:     if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117     www       761: # We don't want the filename
                    762: 	$uri=~s/\/[^\/]+$//;
                    763: # Did we already see this?
                    764: 	my $builddir=$uri;
                    765: 	while ($builddir) {
                    766: 	    if ($dynread{$builddir}) {
                    767: 		return 0;
                    768: 	    }
                    769: 	    $builddir=~s/\/[^\/]+$//;
                    770: 	}
                    771: # Actually get the data
1.112     www       772: 	%dynhash=
1.143     www       773: 	    (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117     www       774: # Remember that we got it
                    775: 	$dynread{$uri}=1;
1.112     www       776:     } 
                    777: }
                    778: 
1.40      matthew   779: sub initdebug {
1.141     albertel  780:     my $start_page=
                    781: 	&Apache::loncommon::start_page('Debug',undef,
                    782: 				       {'only_body' => 1,});
                    783:     $start_page =~ s/\n/ /g;
1.40      matthew   784:     return <<ENDJS;
1.141     albertel  785: <script type="text/javascript">
1.40      matthew   786: var debugging = true;
                    787: if (debugging) {
                    788:     var debuggingWindow = window.open('','Debug','width=400,height=300',true);
                    789: } 
                    790: 
                    791: function output(text) {
                    792:     if (debugging) {
                    793:         debuggingWindow.document.writeln(text);
                    794:     }
                    795: }
1.141     albertel  796: output('$start_page<pre>');   
1.40      matthew   797: </script>
                    798: ENDJS
                    799: }
                    800: 
                    801: sub writedebug {
1.141     albertel  802:     my ($text) = @_;
                    803:     return "<script type=\"text/javascript\">output('$text');</script>";
1.40      matthew   804: }
                    805: 
1.17      harris41  806: # -------------------- filters out files based on extensions (returns an array)
1.1       www       807: sub match_ext {
                    808:     my ($r,@packlist)=@_;
                    809:     my @trimlist;
                    810:     my $nextline;
                    811:     my @fileext;
                    812:     my $dirptr=16384;
                    813: 
1.2       harris41  814:     foreach my $line (@packlist) {
                    815: 	chomp $line;
                    816: 	$line =~ s/^\/home\/httpd\/html//;
                    817: 	my @unpackline = split (/\&/,$line);
1.45      ng        818: 	next if ($unpackline[0] eq '.');
                    819: 	next if ($unpackline[0] eq '..');
1.2       harris41  820: 	my @filecom = split (/\./,$unpackline[0]);
                    821: 	my $fext = pop(@filecom);
1.96      www       822: 	my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2       harris41  823:  	if ($fnptr == 0 and $unpackline[3] ne "") {
1.28      harris41  824: 	    my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25      matthew   825:             push @trimlist,$line if (defined($embstyle) && 
1.32      harris41  826: 				     ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1       www       827: 	} else {
1.2       harris41  828: 	    push @trimlist,$line;
1.1       www       829: 	}
                    830:     }
1.80      albertel  831:     @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1       www       832:     return @trimlist;
                    833: }
                    834: 
1.17      harris41  835: # ------------------------------- displays one line in appropriate table format
1.23      harris41  836: sub display_line {
1.16      harris41  837:     my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53      albertel  838:     my (@pathfn, $fndir);
1.97      www       839: # there could be relative paths (files actually belonging into this directory)
                    840: # or absolute paths (for example, from sequences)
                    841:     my $absolute;
                    842:     my $pathprefix;
1.107     albertel  843:     if ($line=~m|^/res/| && $startdir ne '') {
1.97      www       844: 	$absolute=1;
                    845: 	$pathprefix='';
                    846:     } else {
                    847: 	$absolute=0;
                    848: 	$pathprefix=$startdir;
                    849:     }
1.1       www       850:     my $dirptr=16384;
                    851:     my $fileclr="#ffffe6";
1.45      ng        852:     my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1       www       853: 
                    854:     my @filecom = split (/\&/,$line);
                    855:     my @pathcom = split (/\//,$filecom[0]);
                    856:     my $listname = $pathcom[scalar(@pathcom)-1];
                    857:     my $fnptr = $filecom[3]&$dirptr;
1.77      www       858:     my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
                    859:     $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1       www       860: 
1.45      ng        861:     my $tabtag='</td>';
1.1       www       862:     my $i=0;
1.181.4.1  raeburn   863:     while ($i<=16) {
1.45      ng        864: 	$tabtag=join('',$tabtag,"<td>&nbsp;</td>")
1.155     albertel  865: 	    if ($i != 9 &&
                    866: 		$hash{'display_attrs_'.$i} == 1);
1.1       www       867: 	$i++;
                    868:     }
1.63      ng        869:     my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17      harris41  870: 
                    871: # display uplink arrow
1.45      ng        872:     if ($filecom[1] eq 'viewOneUp') {
1.98      www       873: 	my $updir=$startdir;
                    874: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    875: 	$updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
                    876: 	$updir=~s/\/+/\//g;
                    877: 
1.159     banghart  878: 	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70      ng        879: 	$r->print("<td>\n");
1.98      www       880: 	$r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16      harris41  881: 		   '/" '.
1.181.4.3! raeburn   882: 		   'onsubmit="return rep_dirpath(\'UP\','.
1.17      harris41  883: 		   'document.forms.fileattr.acts.value)" '.
1.16      harris41  884: 		   'enctype="application/x-www-form-urlencoded"'.
                    885:                    '>'."\n");
1.170     albertel  886: 	$r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.181.4.1  raeburn   887: 	$r->print ('<input type="hidden" name="openuri" value="'.
1.131     albertel  888: 		   $startdir.'" />'."\n");
                    889: 	$r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13      ng        890: 	$r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.181.4.3! raeburn   891: 	$r->print (' name="'.$msg.'" alt="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  892: 		   "\n");
1.135     www       893: 	$r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13      ng        894: 	return OK;
                    895:     }
1.97      www       896: # Do we have permission to look at this?
                    897: 
                    898:     if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
                    899: 
                    900: # make absolute links appear on different background
1.112     www       901:     if ($absolute) { $fileclr='#ccdd99'; }
1.17      harris41  902: 
                    903: # display domain
1.45      ng        904:     if ($filecom[1] eq 'domain') {
1.131     albertel  905:  	$r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133     albertel  906:  	    if ($env{'form.dirPointer'} eq "on");
1.159     banghart  907: 	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70      ng        908: 	$r->print("<td>");
1.73      albertel  909: 	&begin_form ($r,$filecom[0]);
                    910: 	my $anchor = $filecom[0];
1.162     albertel  911: 	$anchor =~ s/\W//g;
1.152     albertel  912: 	$r->print ('<a name="'.$anchor.'"></a>');
1.131     albertel  913: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  914: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.
                    915: 		   $diropen.'.gif"'); 
1.181.4.3! raeburn   916: 	$r->print (' name="'.$msg.'" alt="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  917: 		   "\n");
1.128     foxr      918: 	my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125     foxr      919: 	$r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152     albertel  920: 		   '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.162     albertel  921: 	$r->print (' class="LC_icon" /></a>'."\n");
1.77      www       922: 	$r->print (&mt("Domain")." - $listname ");
1.158     albertel  923: 	if (&Apache::lonnet::domain($listname,'description')) {
                    924: 	    $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60      albertel  925: 		      ")");
                    926: 	}
1.135     www       927: 	$r->print ("</form>$tabtag</tr>\n");
1.1       www       928: 	return OK;
1.17      harris41  929: 
                    930: # display user directory
1.1       www       931:     }
1.45      ng        932:     if ($filecom[1] eq 'user') {
1.160     banghart  933: 	# $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2       harris41  934: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41  935: 	my $anchor = $curdir;
1.162     albertel  936: 	$anchor =~ s/\W//g;
1.163     banghart  937: 	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.13      ng        938: 	&begin_form ($r,$curdir);
1.152     albertel  939: 	$r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.162     albertel  940: 		   'whitespace1.gif" class="LC_icon" />'."\n");
1.131     albertel  941: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  942: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
                    943: 		   '.gif"'); 
1.181.4.3! raeburn   944: 	$r->print (' name="'.$msg.'" alt="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  945: 		   "\n");
1.128     foxr      946: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr      947: 	$r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162     albertel  948: 		   .'\')"><img alt="'.$msg.'" src="'.
                    949: 		   $iconpath.'quill.gif" class="LC_indexer_icon" /></a>');
1.60      albertel  950: 	my $domain=(split(m|/|,$startdir))[2];
                    951: 	my $plainname=&Apache::loncommon::plainname($listname,$domain);
                    952: 	$r->print ($listname);
                    953: 	if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131     albertel  954: 	$r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1       www       955: 	return OK;
                    956:     }
1.17      harris41  957: 
1.1       www       958: # display file
1.97      www       959:     if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
1.166     banghart  960:         my $title;
1.97      www       961: 	my $filelink = $pathprefix.$filecom[0];
1.166     banghart  962: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel  963: 	    $title = &Apache::lonnet::gettitle($filelink);
1.166     banghart  964: 	}
1.1       www       965: 	my @file_ext = split (/\./,$listname);
1.25      matthew   966: 	my $curfext = $file_ext[-1];
1.40      matthew   967:         if (@Omit) {
1.179     banghart  968:             foreach (@Omit) { return OK if (lc($curfext) eq $_); }
1.40      matthew   969:         }
                    970:         if (@Only) {
                    971:             my $skip = 1;
1.179     banghart  972:             foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); }
1.40      matthew   973:             return OK if ($skip > 0);
                    974:         }
1.25      matthew   975: 	# Set the icon for the file
1.84      albertel  976: 	my $iconname = &Apache::loncommon::icon($listname);
1.181.4.1  raeburn   977: 	$r->print('<tr valign="'.$valign.'" bgcolor="'.$fileclr.'">'.
                    978:                   '<td valign="top"><span class="LC_nobreak">');
1.104     albertel  979: 	
1.133     albertel  980:         if ($env{'form.catalogmode'} eq 'interactive') {
1.128     foxr      981: 	    my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35      matthew   982:             $r->print("<a href=\"javascript:select_data(\'",
1.125     foxr      983:                       $quotable_filelink,"')\">");
1.162     albertel  984: 	    $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17      harris41  985: 		      "\n");
1.181.4.1  raeburn   986: 	    $r->print('</span></td><td valign="top"><span class="LC_nobreak">');
1.145     www       987: 	} elsif ($env{'form.catalogmode'} eq 'import') {
1.152     albertel  988: 	    $r->print("<form name='form$fnum' action=''>\n");
1.8       harris41  989: 	    $r->print("<input type='checkbox' name='filelink"."' ".
1.181.4.3! raeburn   990: 		      "value='$filelink' onclick='".
1.16      harris41  991: 		      "javascript:queue(\"form$fnum\")' ");
                    992: 	    if ($hash{'store_'.$filelink}) {
                    993: 		$r->print("checked");
                    994: 	    }
1.131     albertel  995: 	    $r->print(" />\n");
1.181.4.1  raeburn   996: 	    $r->print('</form></span></td><td valign="top"><span class="LC_nobreak">');
1.16      harris41  997: 	    $hash{"pre_${fnum}_link"}=$filelink;
1.166     banghart  998: 	    $hash{"pre_${fnum}_title"}=$title;
1.165     banghart  999: 	    if (!$hash{"pre_${fnum}_title"}) {
1.167     banghart 1000: 	        $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165     banghart 1001: 	    }
1.8       harris41 1002:   	    $fnum++;
1.7       harris41 1003: 	}
1.95      www      1004: # Form to open or close sequences
                   1005: 	if ($filelink=~/\.(page|sequence)$/) {
                   1006: 	    my $curdir = $startdir.$filecom[0].'/';
                   1007: 	    &begin_form($r,$curdir);
                   1008: 	    $indent--;
                   1009: 	}
                   1010: # General indentation
1.181.4.1  raeburn  1011: 	if ($indent > 0 and $indent < 16) {
1.162     albertel 1012: 	    $r->print("<img alt=\"\" src='",$iconpath,"whitespace",$indent,
                   1013: 		      ".gif' class='LC_icon' />\n");
1.11      ng       1014: 	} elsif ($indent >0) {
1.4       harris41 1015: 	    my $ten = int($indent/10.);
                   1016: 	    my $rem = $indent%10.0;
                   1017: 	    my $count = 0;
                   1018: 	    while ($count < $ten) {
1.162     albertel 1019: 		$r->print("<img alt=\"\" src=".$iconpath.
                   1020: 			  "whitespace10.gif class='LC_icon' />\n");
1.1       www      1021: 	    $count++;
1.4       harris41 1022: 	    }
1.152     albertel 1023: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel 1024: 		      ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www      1025: 	}
1.95      www      1026: # Sequence open/close icon
                   1027: 	if ($filelink=~/\.(page|sequence)$/) {
                   1028: 	    my $curdir = $startdir.$filecom[0].'/';
                   1029: 	    my $anchor = $curdir;
1.162     albertel 1030: 	    $anchor =~ s/\W//g;
1.131     albertel 1031: 	    $r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel 1032: 	    $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95      www      1033: 		       'folder_pointer_'.$diropen.'.gif"');
1.181.4.3! raeburn  1034: 	    $r->print (' name="'.$msg.'" alt="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.95      www      1035: 		       "\n");
                   1036: 	}
                   1037: # Filetype icons
1.162     albertel 1038: 	$r->print("<img alt=\"\" src='$iconname' class='LC_icon' />\n");
1.128     foxr     1039: 	my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125     foxr     1040: 
                   1041: 	$r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1042: 		   "?inhibitmenu=yes','previewfile','450','500','no','yes','yes');\"".
1.152     albertel 1043: 		   " target=\"_self\">$listname</a> ");
1.170     albertel 1044: 	$quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
                   1045: 	&Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1.125     foxr     1046: 	$r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1047: 		   "?inhibitmenu=yes','metadatafile','500','550','no','yes','no');\" ".
1.180     bisitz   1048: 		   " target=\"_self\">".&mt('metadata')."</a>) ");
1.134     www      1049: # Close form to open/close sequence
                   1050: 	if ($filelink=~/\.(page|sequence)$/) {
                   1051: 	    $r->print('</form>');
                   1052: 	}
1.181.4.1  raeburn  1053: 	$r->print("</span></td>\n");
1.45      ng       1054: 	if ($hash{'display_attrs_0'} == 1) {
1.70      ng       1055: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
1.45      ng       1056: 		      ' </td>'."\n");
                   1057: 	}
1.181.4.1  raeburn  1058: 	$r->print('<td align="right"> ',
1.17      harris41 1059: 		  $filecom[8]," </td>\n") 
1.45      ng       1060: 	    if $hash{'display_attrs_1'} == 1;
1.70      ng       1061: 	$r->print('<td> '.
1.181     bisitz   1062:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.45      ng       1063: 	    if $hash{'display_attrs_2'} == 1;
1.70      ng       1064: 	$r->print('<td> '.
1.181     bisitz   1065:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.45      ng       1066: 	    if $hash{'display_attrs_3'} == 1;
1.2       harris41 1067: 
1.45      ng       1068: 	if ($hash{'display_attrs_4'} == 1) {
1.104     albertel 1069: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
1.70      ng       1070: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
1.17      harris41 1071: 		      " </td>\n");
1.2       harris41 1072: 	}
1.45      ng       1073: 	if ($hash{'display_attrs_5'} == 1) {
1.104     albertel 1074: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45      ng       1075: 	    # $keywords = '&nbsp;' if (!$keywords);
1.70      ng       1076: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
1.17      harris41 1077: 		      " </td>\n");
1.2       harris41 1078: 	}
1.109     taceyjo1 1079: #'
                   1080: 
1.45      ng       1081: 	if ($hash{'display_attrs_6'} == 1) {
1.104     albertel 1082: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28      harris41 1083: 	    $lang = &Apache::loncommon::languagedescription($lang);
1.70      ng       1084: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
1.17      harris41 1085: 		      " </td>\n");
1.2       harris41 1086: 	}
1.70      ng       1087: 	if ($hash{'display_attrs_8'} == 1) {
1.111     www      1088: # statistics
1.117     www      1089: 	    &dynmetaread($filelink);
1.112     www      1090: 	    $r->print("<td>");
1.181.4.1  raeburn  1091:             for (qw(count course stdno avetries difficulty disc clear technical
                   1092:                 correct helpful depth)) {
                   1093: 
                   1094:                 &dynmetaprint($r,$filelink,$_);
                   1095:             }
1.112     www      1096: 	    $r->print("&nbsp;</td>\n");
1.111     www      1097: 
1.70      ng       1098: 	}
1.109     taceyjo1 1099: 	if ($hash{'display_attrs_10'} == 1) {
                   1100: 	    my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110     albertel 1101: 	    if($source eq 'open') {
1.119     taceyjo1 1102: 		my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128     foxr     1103: 		my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.170     albertel 1104: 		&Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1.125     foxr     1105: 		$r->print('<td>'."<a href=\"javascript:openWindow('"
                   1106: 			  .$quotable_sourcelink.
1.152     albertel 1107: 			  "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1.181     bisitz   1108: 			  " target=\"_self\">".&mt('Source Code')."</a> "."</td>\n");
1.110     albertel 1109: 	    } else { #A cuddled else. :P
1.111     www      1110: 		$r->print("<td>&nbsp;</td>\n");
1.110     albertel 1111: 	    }
1.109     taceyjo1 1112: 	}
1.111     www      1113: 	if ($hash{'display_attrs_11'} == 1) {
                   1114: # links
1.117     www      1115: 	   &dynmetaread($filelink);
1.113     www      1116: 	   $r->print('<td>');
1.148     www      1117: 	   &coursecontext($r,$filelink);
1.181.4.1  raeburn  1118:            for (qw(goto_list comefrom_list sequsage_list dependencies course_list)) {
                   1119:                &dynmetaprint($r,$filelink,$_);
                   1120:            }
                   1121:            $r->print('</td>');
1.114     www      1122:         }
1.115     www      1123:         if ($hash{'display_attrs_7'} == 1) {
                   1124: # Show resource
1.140     www      1125: 	   my $output=&showpreview($filelink);
                   1126:            $r->print('<td> '.($output eq '' ? '&nbsp;':$output).
1.115     www      1127: 		      " </td>\n");
                   1128:         }
1.181.4.1  raeburn  1129:         if ($hash{'display_attrs_12'} == 1) {
                   1130:             my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1131:             $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1132:                       " </td>\n");
                   1133:         }
                   1134: 
                   1135:         if ($hash{'display_attrs_13'} == 1) {
                   1136:             my $notes = &Apache::lonnet::metadata($filelink,'notes');
                   1137:             $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
                   1138:                       " </td>\n");
                   1139:         }
                   1140: 
                   1141:         if ($hash{'display_attrs_14'} == 1) {
                   1142:             my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
                   1143:             $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
                   1144:                       " </td>\n");
                   1145:         }
                   1146: 
                   1147:         if ($hash{'display_attrs_15'} == 1) {
                   1148:             my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
                   1149:             $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
                   1150:                       " </td>\n");
                   1151:         }
                   1152: 
                   1153:         if ($hash{'display_attrs_16'} == 1) {
                   1154:             my $standards = &Apache::lonnet::metadata($filelink,'standards');
                   1155:             $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
                   1156:                       " </td>\n");
                   1157:         }
                   1158: 
1.1       www      1159: 	$r->print("</tr>\n");
                   1160:     }
1.17      harris41 1161: 
1.2       harris41 1162: # -- display directory
1.1       www      1163:     if ($fnptr == $dirptr) {
1.2       harris41 1164: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41 1165: 	my $anchor = $curdir;
1.162     albertel 1166: 	$anchor =~ s/\W//g;
1.159     banghart 1167: 	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.2       harris41 1168: 	&begin_form ($r,$curdir);
1.4       harris41 1169: 	my $indentm1 = $indent-1;
1.181.4.1  raeburn  1170: 	if ($indentm1 < 16 and $indentm1 > 0) {
1.152     albertel 1171: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.162     albertel 1172: 		      ".gif class='LC_icon' />\n");
1.4       harris41 1173: 	} else {
                   1174: 	    my $ten = int($indentm1/10.);
                   1175: 	    my $rem = $indentm1%10.0;
                   1176: 	    my $count = 0;
                   1177: 	    while ($count < $ten) {
1.152     albertel 1178: 		$r->print ("<img alt=\"\" src=",$iconpath
1.162     albertel 1179: 			   ,"whitespace10.gif class='LC_icon' />\n");
1.12      ng       1180: 		$count++;
1.4       harris41 1181: 	    }
1.152     albertel 1182: 	    $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel 1183: 		       ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www      1184: 	}
1.131     albertel 1185: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel 1186: 	$r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17      harris41 1187: 		   'folder_pointer_'.$diropen.'.gif"');
1.181.4.3! raeburn  1188: 	$r->print (' name="'.$msg.'" alt="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41 1189: 		   "\n");
1.128     foxr     1190: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr     1191: 	$r->print ('<a href="javascript:gothere(\''
1.152     albertel 1192: 		   .$quotable_curdir.'\')">'
                   1193: 		   .'<img alt="'.&mt('Open Folder').'"src="'.
1.162     albertel 1194: 		   $iconpath.'folder_'.$diropen.'.gif" class="LC_icon" /></a>'.
1.17      harris41 1195: 		   "\n");
1.152     albertel 1196: 	$r->print ("$listname</form></td>\n");
1.86      www      1197: # Attributes
                   1198: 	my $filelink = $startdir.$filecom[0].'/default';
                   1199: 
                   1200: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel 1201: 	    my $title = &Apache::lonnet::gettitle($filelink);
1.86      www      1202: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
                   1203: 		      ' </td>'."\n");
                   1204: 	}
                   1205: 	$r->print('<td align=right> ',
                   1206: 		  $filecom[8]," </td>\n") 
                   1207: 	    if $hash{'display_attrs_1'} == 1;
                   1208: 	$r->print('<td> '.
1.181     bisitz   1209:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.86      www      1210: 	    if $hash{'display_attrs_2'} == 1;
                   1211: 	$r->print('<td> '.
1.181     bisitz   1212:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.86      www      1213: 	    if $hash{'display_attrs_3'} == 1;
                   1214: 
                   1215: 	if ($hash{'display_attrs_4'} == 1) {
                   1216: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
                   1217: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
                   1218: 		      " </td>\n");
                   1219: 	}
                   1220: 	if ($hash{'display_attrs_5'} == 1) {
                   1221: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
                   1222: 	    # $keywords = '&nbsp;' if (!$keywords);
                   1223: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
                   1224: 		      " </td>\n");
                   1225: 	}
                   1226: 	if ($hash{'display_attrs_6'} == 1) {
                   1227: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
                   1228: 	    $lang = &Apache::loncommon::languagedescription($lang);
                   1229: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
                   1230: 		      " </td>\n");
                   1231: 	}
                   1232: 	if ($hash{'display_attrs_8'} == 1) {
                   1233: 	   $r->print('<td>&nbsp;</td>');
                   1234: 	}
1.115     www      1235:  	if ($hash{'display_attrs_10'} == 1) {
1.109     taceyjo1 1236: 	   $r->print('<td>&nbsp;</td>');
                   1237: 	}
1.115     www      1238: 	if ($hash{'display_attrs_7'} == 1) {
                   1239: 	   $r->print('<td>&nbsp;</td>');
                   1240:         }
1.181.4.1  raeburn  1241:         if ($hash{'display_attrs_12'} == 1) {
                   1242:             my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1243:             $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1244:                       " </td>\n");
                   1245:         }
                   1246:         if ($hash{'display_attrs_11'} == 1) {
                   1247:             $r->print('<td>&nbsp;</td>');
                   1248:         }
                   1249:         if ($hash{'display_attrs_12'} == 1) {
                   1250:             my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1251:             $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1252:                       " </td>\n");
                   1253:         }
                   1254:         if ($hash{'display_attrs_13'} == 1) {
                   1255:             my $notes = &Apache::lonnet::metadata($filelink,'notes');
                   1256:             $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
                   1257:                       " </td>\n");
                   1258:         }
                   1259:         if ($hash{'display_attrs_14'} == 1) {
                   1260:             my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
                   1261:             $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
                   1262:                       " </td>\n");
                   1263:         }
                   1264:         if ($hash{'display_attrs_15'} == 1) {
                   1265:             my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
                   1266:             $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
                   1267:                       " </td>\n");
                   1268:         }
                   1269:         if ($hash{'display_attrs_16'} == 1) {
                   1270:             my $standards = &Apache::lonnet::metadata($filelink,'standards');
                   1271:             $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
                   1272:                       " </td>\n");
                   1273:         }
1.152     albertel 1274: 	$r->print('</tr>');
1.1       www      1275:     }
1.2       harris41 1276: 
1.1       www      1277: }
                   1278: 
1.148     www      1279: sub coursecontext {
                   1280:     my ($r,$filelink)=@_;
                   1281:     my $filesymb=&Apache::lonnet::symbread($filelink);
                   1282:     if ($filesymb) {
                   1283: 	my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
                   1284: 	$r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
                   1285: 	      &Apache::lonnet::gettitle($resource),
                   1286: 	      &Apache::lonnet::gettitle($map)));
                   1287:     }
                   1288: }
                   1289: 
1.140     www      1290: sub showpreview {
                   1291:     my ($filelink)=@_;
1.151     albertel 1292:     if ($filelink=~m-^(/ext/|http://)-) {
1.150     www      1293: 	return &mt('External Resource, preview not enabled');
                   1294:     }
1.140     www      1295:     my ($curfext)=($filelink=~/\.(\w+)$/);
                   1296:     my $output='';
                   1297:     my $embstyle=&Apache::loncommon::fileembstyle($curfext);
                   1298:     if ($embstyle eq 'ssi') {
                   1299:        my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
                   1300:                     '.tmp';
                   1301:        if ((!$env{'form.updatedisplay'}) &&
                   1302:                     (-e $cache)) {
                   1303:           open(FH,$cache);
                   1304:           $output=join("\n",<FH>);
                   1305:           close(FH);
                   1306:        } else {
1.147     www      1307: # In update display mode, remove old cache. This is done to retroactively
                   1308: # clean up course context renderings.
                   1309: 	  if (-e $cache) {
                   1310: 	       unlink($cache);
                   1311: 	  }
1.140     www      1312:           $output=&Apache::lonnet::ssi_body($filelink);
1.146     www      1313: # Is access denied? Don't render, don't store
1.140     www      1314:           if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
                   1315:              $output='';
1.146     www      1316: # Was this rendered in course content? Don't store
                   1317:           } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140     www      1318:              open(FH,">$cache");
                   1319:              print FH $output;
                   1320:              close(FH);
                   1321:           }
                   1322:        }
                   1323:        $output='<font size="-2">'.$output.'</font>';
                   1324:     } elsif ($embstyle eq 'img') {
1.152     albertel 1325:        $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154     albertel 1326:     } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152     albertel 1327:        $output='<img  alt="'.&mt('Preview').'" src="http://'.
1.157     albertel 1328:                  &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140     www      1329:                  '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
                   1330:     }
                   1331:     return $output;
                   1332: }
                   1333: 
1.113     www      1334: sub dynmetaprint {
                   1335:     my ($r,$filelink,$item)=@_;
                   1336:     if ($dynhash{$filelink}->{$item}) {
1.114     www      1337: 	$r->print("\n<br />".$fieldnames{$item}.': '.
1.113     www      1338: 		  &Apache::lonmeta::prettyprint($item,
                   1339: 						$dynhash{$filelink}->{$item},
1.145     www      1340: 		  (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113     www      1341: 		  '',
1.145     www      1342: 		  (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113     www      1343:     }
                   1344: }
                   1345: 
1.14      harris41 1346: # ------------------- prints the beginning of a form for directory or file link
1.1       www      1347: sub begin_form {
                   1348:     my ($r,$uri) = @_;
1.3       harris41 1349:     my $anchor = $uri;
1.162     albertel 1350:     $anchor =~ s/\W//g;
                   1351:     $uri=&Apache::loncommon::escape_single($uri);
1.17      harris41 1352:     $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
                   1353: 	       '#'.$anchor.
1.181.4.3! raeburn  1354: 	       '" onsubmit="return rep_dirpath(\''.$dnum.'\''.
1.17      harris41 1355: 	       ',document.forms.fileattr.acts.value)" '.
1.16      harris41 1356: 	       'enctype="application/x-www-form-urlencoded">'."\n");
1.131     albertel 1357:     $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17      harris41 1358: 	       "\n");
1.131     albertel 1359:     $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.170     albertel 1360:     $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.16      harris41 1361:     $dnum++;
1.17      harris41 1362: }
                   1363: 
                   1364: # --------- settings whenever the user causes the indexer window to be launched
                   1365: sub start_fresh_session {
1.149     albertel 1366:     my ($hash) = @_;
                   1367:     delete $hash->{'form.catalogmode'};
                   1368:     delete $hash->{'form.mode'};
                   1369:     delete $hash->{'form.form'};
                   1370:     delete $hash->{'form.element'};
                   1371:     delete $hash->{'form.omit'};
                   1372:     delete $hash->{'form.only'};
                   1373:     foreach (keys %{$hash}) {
                   1374:         delete $hash->{$_} if (/^(pre_|store)/);
1.27      harris41 1375:     }
1.1       www      1376: }
                   1377: 
1.35      matthew  1378: # ------------------------------------------------------------------- setvalues
                   1379: sub setvalues {
                   1380:     # setvalues is used in registerurl to synchronize the database
                   1381:     # hash and environment hashes
                   1382:     my ($H1,$h1key,$H2,$h2key) =@_;
                   1383:     #
                   1384:     if (exists $H2->{$h2key}) {
                   1385: 	$H1->{$h1key} = $H2->{$h2key};
                   1386:     } elsif (exists $H1->{$h1key}) {
                   1387: 	$H2->{$h2key} = $H1->{$h1key};
                   1388:     } 
                   1389: }
                   1390: 
1.1       www      1391: 1;
1.54      www      1392: 
                   1393: sub cleanup {
1.55      www      1394:     if (tied(%hash)){
                   1395: 	&Apache::lonnet::logthis('Cleanup indexer: hash');
                   1396:     }
1.138     albertel 1397:     return OK;
1.54      www      1398: }
1.23      harris41 1399: 
1.126     foxr     1400: 
                   1401: 
                   1402: 
                   1403: 
1.23      harris41 1404: =head1 NAME
                   1405: 
                   1406: Apache::lonindexer - mod_perl module for cross server filesystem browsing
                   1407: 
                   1408: =head1 SYNOPSIS
                   1409: 
                   1410: Invoked by /etc/httpd/conf/srm.conf:
                   1411: 
                   1412:  <LocationMatch "^/res.*/$">
                   1413:  SetHandler perl-script
                   1414:  PerlHandler Apache::lonindexer
                   1415:  </LocationMatch>
                   1416: 
                   1417: =head1 INTRODUCTION
                   1418: 
                   1419: This module enables a scheme of browsing across a cross server.
                   1420: 
                   1421: This is part of the LearningOnline Network with CAPA project
                   1422: described at http://www.lon-capa.org.
                   1423: 
                   1424: =head1 BEGIN SUBROUTINE
                   1425: 
                   1426: This routine is only run once after compilation.
                   1427: 
                   1428: =over 4
                   1429: 
                   1430: =item *
                   1431: 
                   1432: Initializes %language hash table.
                   1433: 
                   1434: =back
                   1435: 
                   1436: =head1 HANDLER SUBROUTINE
                   1437: 
                   1438: This routine is called by Apache and mod_perl.
                   1439: 
                   1440: =over 4
                   1441: 
                   1442: =item *
                   1443: 
                   1444: read in machine configuration variables
                   1445: 
                   1446: =item *
                   1447: 
                   1448: see if called from an interactive mode
                   1449: 
                   1450: =item *
                   1451: 
                   1452: refresh environment with user database values (in %hash)
                   1453: 
                   1454: =item *
                   1455: 
                   1456: define extra fields and buttons in case of special mode
                   1457: 
                   1458: =item *
                   1459: 
                   1460: set catalogmodefunctions to have extra needed javascript functionality
                   1461: 
                   1462: =item *
                   1463: 
                   1464: print header
                   1465: 
                   1466: =item *
                   1467: 
                   1468: evaluate actions from previous page (both cumulatively and chronologically)
                   1469: 
                   1470: =item *
                   1471: 
                   1472: output title
                   1473: 
                   1474: =item *
                   1475: 
                   1476: get state of file attributes to be showing
                   1477: 
                   1478: =item *
                   1479: 
                   1480: output state of file attributes to be showing
                   1481: 
                   1482: =item *
                   1483: 
                   1484: output starting row to the indexed file/directory hierarchy
                   1485: 
                   1486: =item *
                   1487: 
                   1488: read in what directories have previously been set to "open"
                   1489: 
                   1490: =item *
                   1491: 
                   1492: if not at top level, provide an uplink arrow
                   1493: 
                   1494: =item *
                   1495: 
                   1496: recursively go through all the directories and output as appropriate
                   1497: 
                   1498: =item *
                   1499: 
                   1500: information useful for group import
                   1501: 
                   1502: =item *
                   1503: 
                   1504: end the tables
                   1505: 
                   1506: =item *
                   1507: 
                   1508: end the output and return
                   1509: 
                   1510: =back
                   1511: 
                   1512: =head1 OTHER SUBROUTINES
                   1513: 
                   1514: =over 4
                   1515: 
                   1516: =item *
                   1517: 
                   1518: scanDir - recursive scan of a directory
                   1519: 
                   1520: =item *
                   1521: 
                   1522: get_list - get complete matched list based on the uri (returns an array)
                   1523: 
                   1524: =item *
                   1525: 
                   1526: match_ext - filters out files based on extensions (returns an array)
                   1527: 
                   1528: =item *
                   1529: 
                   1530: display_line - displays one line in appropriate table format
                   1531: 
                   1532: =item *
                   1533: 
                   1534: begin_form - prints the beginning of a form for directory or file link
                   1535: 
                   1536: =item *
                   1537: 
                   1538: start_fresh_session - settings whenever the user causes the indexer window
                   1539: to be launched
                   1540: 
                   1541: =back
                   1542: 
                   1543: =cut

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